Patents by Inventor Kenji Obinata

Kenji Obinata has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7027003
    Abstract: A primary radiator used for a parabolic antenna including: a radiator body having a horn part provided at one end of a waveguide; and a waterproof cover covering an open end of the horn part of the radiator body, wherein a step is formed on an inner surface of the horn part of the radiator body, and a position of the step is set so that radio waves reflected on the waterproof cover are cancelled out by radio waves reflected on the step to prevent multiple reflection in the radiator body.
    Type: Grant
    Filed: May 11, 2004
    Date of Patent: April 11, 2006
    Assignees: SPC Electronics Corporation, Funai Electric Co., Ltd.
    Inventors: Masatoshi Sasaki, Tomoyuki Mori, Kenji Obinata
  • Publication number: 20040227686
    Abstract: A primary radiator used for a parabolic antenna including: a radiator body having a horn part provided at one end of a waveguide; and a waterproof cover covering an open end of the horn part of the radiator body, wherein a step is formed on an inner surface of the horn part of the radiator body, and a position of the step is set so that radio waves reflected on the waterproof cover are cancelled out by radio waves reflected on the step to prevent multiple reflection in the radiator body.
    Type: Application
    Filed: May 11, 2004
    Publication date: November 18, 2004
    Inventors: Masatoshi Sasaki, Tomoyuki Mori, Kenji Obinata